Grape harvest is just getting started in the southern part of the state. Early varieties have been harvested for the past week. Most varieties are slightly ahead of normal this year. Fruit quality overall is very good. Many vineyards are still recovering from the winter of 2014 so yields will still be below normal. With[Read More…]
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Plant nutritional status is important for all phases of plant growth and has a direct effect on vigor, fruitfulness, cold hardiness, and other factors. Tissue analysis is the most reliable means of determining plant nutritional status. Combined with soil testing, tissue analysis can help pinpoint the source of problems and determine what measures may be[Read More…]
Grape harvest has began in the southern part of the state and will begin in central areas over the next week or so. Early varieties are nearing full maturity while late varieties are just at, or not yet at veraison. Overall fruit quality looks excellent. Apple harvest continues. Summer varieties are mostly done and early[Read More…]
The symptoms of flyspeck and sooty blotch have begun to make their appearance. I know this because 1). I’m starting to see spots, and 2). We have accumulated MORE THAN enough hours of post- petal fall leaf wetness needed for infection to occur. First, what is enough hours of post- petal fall leaf wetness needed[Read More…]
Harvest of early season apples has begun in many places around the state. Many of these early apples can suffer from extreme pre-harvest drop. Pristine is certainly in this category, so be careful not to allow fruit to become too ripe on the tree. This risks a large proportion of the crop falling on the[Read More…]
Populations of spotted wing drosophila continue to increase. As best I can tell, numbers are not at the devastating levels that they were a couple of years ago, but there are still plenty around to cause very serious injury to small fruit. Raspberry, blackberry, and blueberry growers should be on a regular spray program at[Read More…]
This pest has been extremely common in many locations this year. They can cause defoliation of a number of fruit crops and can be especially devastating to young trees, so they need to be controlled to prevent losses. They also like to feed on most of the small fruits, early maturing varieties of apples, and[Read More…]
Mites continue to be a concern for both fruit and vegetable growers. We are just now at the historical peak population time for European red mites. Fruit growers should be scouting their more susceptible blocks regularly for the next few weeks. The thresholds for treatment increase as we get later in the season. See https://extension.entm.purdue.edu/publications/E-258/E-258.html[Read More…]
I continue to catch low numbers of codling moths in my pheromone traps. As I explained in a previous FFF article, in the lower Midwest, we don’t have distinct generations. Out moth catches seldom go down to zero, so there is always a threat for codling moth. Apple growers should be sure that they are[Read More…]
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